Built for cooler days, this updated Primary crew combines ultra-soft textured fabric and Nike Therma-FIT technology to help you keep you warm on gym days and off-days. Thermal Warmth:Nike Therma-FIT technology helps manage your bodya (TM)s natural heat to help keep you warm in cold-weather conditions. [] Product Details:Ribbed collar, cuffs and hem. Embroidered Swoosh logo. Embroidered underarm eyelets. Body:100% polyester. Rib:83% polyester/15% cotton/2% spandex. Machine wash. Imported. Style: HV3805; Color: Black/Black; Size: S; Gender: Male; Age Group: Adult | Nike Primary Men's Therma-FIT Versatile Crew in Black, Size: Small | HV3805-010